Who owns the EIESR trademark?

The EIESR trademark is owned by Duocai Liu.

What class is the EIESR trademark registered in?

The EIESR trademark is registered in Class 011 (Lighting, heating, cooling & sanitary apparatus).

What is the serial number for EIESR?

The USPTO serial number for EIESR is 99307442.

What is the registration number for EIESR?

EIESR is registered under USPTO registration number 8159718.

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Updated Sep 25, 2026·35 searches this week

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USPTO Trademark Record

REGISTERED

EIESR

SN 99307442·Reg 8159718·Filed Jul 28, 2025

Owner Duocai Liu

Apparatus and installations for lighting, heating, cooling, steam generating, cooking, drying, ventilating, water supply and sanitary purposes.

EIESR (Serial No. 99307442), Registration No. 8159718, is a registered US trademark filed on Jul 28, 2025 by Duocai Liu. This trademark covers Class 011 (Lighting, heating, cooling & sanitary apparatus).

early section 8: March 03, 2032

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Mark Intelligence

EIESR (Reg. #8159718) is a registered US trademark that has been protecting its owner, Duocai Liu, since 2025. The mark covers Class 011 (Lighting, heating, cooling & sanitary apparatus). Goods and services include Apparatus and installations for lighting, heating, cooling, steam generating, cooking, drying, ventilating, water supply.... The mark faced 1 opposition proceeding during prosecution.

FILED

Jul 28, 2025

SERIAL

99307442

REG#

8159718

REGISTERED

Mar 03, 2026

Filing Information

StatusREGISTERED

Filing DateJul 28, 2025

Serial Number99307442